| CAS Number | 56-89-3 |
| Catalog Description | L-Cystine, 99% |
| Synonym | H-(Cys)2-OH |
| Synonym | (-)-3,3'-Dithiobis(2-aminopropionic acid) |
| MDL Number | MFCD00064228 |
| Master Molecular formula | C6H12N2O4S2 |
| Molecular formula | C6H12N2O4S2 |
| Melting point in C | 240° (decomposes) |
| Optical Rotation | [α]20/D -219±5°, c = 1% in 1M HCl |
| Merck Number | 14,2782 |
| Beilstein | 1728094 |
| EC Number | 200-296-3 |
| Shipping | Non-hazardous for shipping |
| CAS Number | 56-89-3 |
| TSCA | Yes |
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